[Hybrid Nodes] Make remoteNetworkConfig.IAM.Provider field case ins…

…ensitive (#8169)

make RemoteNetworkConfig.IAM.Provider case insensitive

examples/43-hybrid-nodes.yaml

@@ -1,23 +1,15 @@
-# An example of cluster config with remote networking configured.
 apiVersion: eksctl.io/v1alpha5
 kind: ClusterConfig
 
 metadata:
-  name: hybrid-nodes
+  name: hybrid-2
   region: us-west-2
-
-accessConfig:
-  authenticationMode: API_AND_CONFIG_MAP
-
-vpc:
-  cidr: 10.226.98.0/23
+  version: "1.31"
 
 remoteNetworkConfig:
-  vpcGatewayID: tgw-028fbe2348e6eed74
   iam:
-    provider: IRA # default is ssm
-    caBundleCert: xxxx
+    provider: SSM
+    # caBundleCert: ceva
+  # vpcGatewayID: tgw-028fbe2348e6eed74
   remoteNodeNetworks:
-    # eksctl will create, behind the scenes, SG rules, routes, and a VPC gateway attachment,
-    # to facilitate communication between remote network(s) and EKS control plane, via the attached gateway
     - cidrs: ["10.80.146.0/24"]

pkg/cfn/builder/cluster.go

@@ -445,7 +445,7 @@ func (c *ClusterResourceSet) addResourcesForControlPlane(subnetDetails *SubnetDe
 
 func (c *ClusterResourceSet) addAccessEntryForRemoteNodes() {
 	getRemoteNodesRoleName := func() string {
-		switch *c.spec.RemoteNetworkConfig.IAM.Provider {
+		switch strings.ToLower(*c.spec.RemoteNetworkConfig.IAM.Provider) {
 		case api.SSMProvider:
 			return SSMRole
 		case api.IRAProvider:

pkg/cfn/builder/iam.go

@@ -3,6 +3,7 @@ package builder
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/cloudformation/types"
@@ -221,7 +222,7 @@ func (c *ClusterResourceSet) addSSM() {
 
 func (c *ClusterResourceSet) addResourcesForRemoteNodesRole() {
 	c.rs.withIAM = true
-	switch *c.spec.RemoteNetworkConfig.IAM.Provider {
+	switch strings.ToLower(*c.spec.RemoteNetworkConfig.IAM.Provider) {
 	case api.SSMProvider:
 		c.addSSM()
 	case api.IRAProvider: